Catherine Barnett

Overview

Staff Backend Engineer at Walmart, focused on payments infrastructure. Led the migration of 72 services to Kafka. Took payment success rates from 95.7% to 98.6%. Most at home with Java and gRPC. I read too many books about cities.

Checks messages twice a week

Experience

1. Staff Backend Engineer

   May 2023 - Present
   Walmart · 3 yr 5 mo · Full-time · Minneapolis, MN
   • Shipped a rewrite that took build times from 24 minutes to under 6.
   • Brought on-call pages for payments platform down from 22 a week to 1.
   • Shipped 20 launches on the payments platform team without a rollback.
2. Senior Backend Engineer

   Nov 2020 - May 2023
   Disney · 2 yr 6 mo · Full-time · Minneapolis, MN
   • Shipped 10 launches on the payments platform team without a rollback.
3. Senior Backend Engineer

   Apr 2018 - Nov 2020
   McKinsey & Company · 2 yr 7 mo · Full-time · Minneapolis, MN
   • Moved 91% of payments platform traffic off a legacy monolith without a customer-facing incident.
   • Shipped a rewrite that took build times from 24 minutes to under 5.
4. Backend Engineer

   Jul 2014 - Apr 2018
   Reddit · 3 yr 9 mo · Full-time · Minneapolis, MN
   • Reduced cloud spend on payments platform by 40% in two quarters.
   • Moved 70% of payments platform traffic off a legacy monolith without a customer-facing incident.
5. Backend Engineer

   Sep 2013 - Jun 2014
   Atlassian · 9 mo · Full-time · Minneapolis, MN
   • Designed the reconciliation system that matches 8 million transactions a day.

No references yet.

Education

1. NYU

   BA, Computer Science
   2009 - 2013